Quiz about Carbon Cycle

Question 1

oxygen is a gas produced by _ and used by  _

Accepted Answer

plants and animals

Answer

photosynthesis and carbon dioxide

Answer

animals and plants

Answer

carbon dioxide and photosynthesis

Question 2

All of the carbon in existence is continually recycled in the carbon cycle

Accepted Answer

True

Answer

False

Question 3

Which of the following removes carbon from the atmosphere?

Accepted Answer

Photosynthesis

Answer

Combustion

Answer

Respiration

Answer

Death

Question 4

Which of the following is an example of a decomposer?

Accepted Answer

Mushroom

Answer

Owl

Answer

Fish

Answer

Tree

Question 5

Organisms that do not decompose can be buried and become what?

Accepted Answer

fossil fuels

Answer

water

Answer

nutrients

Answer

air

Question 6

Burning fossil fuel has which effect in the carbon cycle?

Accepted Answer

It adds carbon dioxide to the atmosphere.

Answer

It removes carbon dioxide from the atmosphere.

Answer

It puts carbon dioxide under the ground.

Answer

It has no effect in the carbon cycle.

Question 7

Which process takes carbon dioxide out of the atmosphere?

Accepted Answer

photosynthesis

Answer

respiration

Answer

combustion

Answer

decomposition

Question 8

What is the an important element for living things.

Accepted Answer

Carbon

Answer

Neon

Answer

Hydrogen

Answer

Helium

Question 9

Which statement is true about the carbon dioxide-oxygen cycle?

Accepted Answer

animals breathe in oxygen and release carbon dioxide which is used by plants

Answer

animals breathe in nitrogen and release oxygen which is used by plants

Answer

animals breathe in nitrogen and release carbon dioxide which is used by plants

Answer

animals breathe in carbon dioxide and release oxygen which is used by plants

Question 10

The class decided to have a terrarium.  The teacher says it is important to include both plants and animals.  Why is it necessary to include both plants and animals?

Accepted Answer

plants provide oxygen for animals and the animals provide carbon dioxide for the plants

Answer

plants provide food for the animals and animals provide water for the plants

Answer

plants provide water for the animals and animals provide food for the plants

Answer

plants provide carbon dioxide for the animals and animals provide oxygen for the plants

Question 11

Step one represents what process?

Accepted Answer

Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.

Answer

Animals are releasing energy into the environment and storing carbon.

Answer

Animals are decomposing and releasing carbon into the soil.

Answer

Animals are converting carbon dioxide from the atmosphere to oxygen.

Question 12

What doe the arrows represent in the carbon cycle diagram?

Accepted Answer

photosynthesis and cellular respiration

Answer

cellular respiration and decomposition

Answer

combustion and decomposition

Answer

decomposition and photosynthesis

Question 13

Step two represents what process?

Accepted Answer

Photosynthesis; plants take in carbon dioxide from the atmosphere

Answer

Animals are decomposing and releasing carbon into the soil.

Answer

Animals are converting carbon dioxide from the atmosphere to oxygen.

Answer

Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.

Question 14

Step three represents what process?

Accepted Answer

Combustion; a factory burns fossil fuels (carbon) that transforms into carbon dioxide

Answer

Photosynthesis; plants take in carbon dioxide from the atmosphere

Answer

Animals are decomposing and releasing carbon into the soil.

Answer

Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.

Question 15

Step four represents what process?

Accepted Answer

Animals are decomposing and releasing carbon into the soil.

Answer

Photosynthesis; plants take in carbon dioxide from the atmosphere

Answer

Combustion; a factory burns fossil fuels (carbon) that transforms into carbon dioxide

Answer

Animals are breaking down organic molecules and releasing carbon dioxide into the atmosphere.

Question 16

The diagram shows the flow of carbon in a terrestrial ecosystem. Which will most likely happen if the decomposers are removed from the carbon cycle?

Accepted Answer

The amount of carbon dioxide in the atmosphere will decrease.

Answer

The amount of carbon dioxide in the atmosphere will increase.

Answer

The amount of carbon dioxide used by producers will increase.

Answer

The amount of carbon dioxide needed by consumers will decrease.

Question 17

Which of the following gets it's energy directly from a producer?

Accepted Answer

Deer

Answer

Sun

Answer

Plants

Answer

Snake

Question 18

How is the carbon cycle similar to the water cycle?

Accepted Answer

Both involve the transfer of substances between animals, plants, and the Earth.

Answer

Both involve liquid substances falling to the Earth from the atmosphere?

Answer

Neither process works at low temperature.

Answer

Both involve the transfer of substances between the earth and outer space.

Question 19

Which is a true statement?

Accepted Answer

Humans depend on oxygen, plants depend on carbon dioxide

Answer

Plants produce carbon dioxide

Answer

Humans depend on carbon dioxide, plants depend on oxygen

Answer

Humans don't depend on plants for the air they need

Question 20

In what process is Carbon transformed into chemical energy?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

decomposition

Answer

sedimentation

Question 21

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

Accepted Answer

X : Decomposition
Y : Respiration

Answer

X : Respiration
Y : Predation

Answer

X : Adaptation
Y : Decomposition

Answer

X : Fermentation
Y : Nitrogen Fixation

Question 22

Which of these does not add CO2 to the atmosphere

Accepted Answer

planting trees

Answer

cooking with gas

Answer

burning wood

Answer

riding in a bus

Question 23

Carbon enters the soil through dead plant or animal matter.

Accepted Answer

Decomposition

Answer

Respiration

Answer

Photosynthesis

Answer

Diffusion

Question 24

Organic matter, burred over millions of years

Accepted Answer

Fossil Fuels

Answer

Decomposition

Answer

Combustion

Answer

Subduction

Question 25

TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.

Accepted Answer

True

Answer

False

Question 26

What does NOT produce carbon dioxide?

Accepted Answer

Photosynthesis

Answer

Burning Fossil Fuels

Answer

Animal respiration

Answer

Plants decaying

Question 27

Combustion is another word for __________.

Accepted Answer

Burning

Answer

Transportation

Answer

Respiration

Answer

Fossil Fuels

Question 28

Organisms that do not decompose can be buried and become what?

Accepted Answer

fossil fuels

Answer

water

Answer

nutrients

Answer

air

Question 29

What process occurs when coal (fossil fuel) is used for energy?

Accepted Answer

Combustion

Answer

Decomposition

Answer

Pressurization

Answer

Respiration

Question 30

What number represents combustion in this diagram?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 31

What number would represent photosynthesis in this
diagram?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 32

Carbon is stored in many areas in the carbon cycle.  Select the one location carbon is NOT stored.

Accepted Answer

sunlight

Answer

fossil fuels

Answer

water

Answer

atmosphere

Question 33

How is combustion similar to cellular respiration?

Accepted Answer

It increases the amount of carbon dioxide in the environment.

Answer

It can occur only in living things.

Answer

It removes energy from the environment.

Answer

It needs glucose and oxygen to occur.

Question 34

How does the concentration of carbon dioxide in the atmosphere affect climate?

Accepted Answer

As carbon dioxide concentrations increase, temperatures increase

Answer

As carbon dioxide concentration increase, temperatures decrease.

Answer

Carbon dioxide concentrations have no affect on climate

Answer

As carbon dioxide concentrations increase, temperatures become more random.

Question 35

Carbon exist in many forms on Earth.

Accepted Answer

True

Answer

False

Question 36

Steph and Sam were having a debate about the steps in the carbon cycle. Steph states that living organisms only release carbon dioxide. How can Sam use the diagram above and Law of Conservation of Mass to defend his position?

Accepted Answer

Since the Law of Conservation of Mass states that mass cannot be created or destroyed, this diagram shows the release of carbon dioxide, water, and heat energy into the atmosphere in step 1 and step 3.

Answer

Since the Law of Conservation of Mass states that mass cannot be created or destroyed, this diagram shows the absorption of oxygen in step 1 and step 3.

Answer

Since the Law of Conservation of Mass states that mass cannot be created or destroyed, this diagram shows the release of oxygen into the atmosphere in step 1 and step 3.

Answer

Since the Law of Conservation of Mass states that mass cannot be created or destroyed, this diagram shows the release of carbon dioxide and heat energy into the atmosphere in step 1 and step 3.

Question 37

The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called _____________.

Accepted Answer

the Carbon Cycle

Answer

the Oxygen Cycle

Answer

the Carbon dioxide Cycle

Answer

the Water Cycle

Question 38

This is reservoir of dead organic matter (biomass) that has been pressurized over time into a solid, liquid, or gaseous state.

Accepted Answer

Fossil Fuels

Answer

Atmosphere

Answer

Ocean

Answer

Plants

Question 39

Photosynthesis

Accepted Answer

absorbs CO₂

Answer

releases CO₂

Question 40

According to the diagram, what are the reservoirs of carbon? (Select more than one...)

Accepted Answer

Oceans

Accepted Answer

Vegetation, Soil, & Rock

Accepted Answer

Fossil Fuels (underground)

Answer

Atmosphere

Question 41

Combustion is another word for __________.

Accepted Answer

Burning

Answer

Cellular Respiration

Answer

Transpiration

Answer

Fossil Fuels

Question 42

Which of the following are examples of the combustion of fossil fuels? (Select all that apply...)

Accepted Answer

Option A is correct

Accepted Answer

Option B is correct

Accepted Answer

Option C is correct

Answer

D.

Question 43

Which process converts carbon in the form of sugar into carbon dioxide gas?

Accepted Answer

Respiration

Answer

Bioremediation

Answer

Photosynthesis

Answer

Transpiration

Question 44

Which describes the relationship between plants and animals in the carbon cycle?

Accepted Answer

Plants produce and release oxygen that animals need

Answer

Plants produce and release carbon dioxide that animals need

Answer

Animals produce and release oxygen that plants need

Answer

Animals produce oxygen that plants turn into carbon dioxide

Question 45

Which is a true statement?

Accepted Answer

Humans depend on oxygen, plants depend on carbon dioxide

Answer

Plants produce carbon dioxide

Answer

Humans depend on carbon dioxide, plants depend on oxygen

Answer

Humans don't depend on plants for the air they need

Carbon Cycle

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